Live Longer, Healthier Through Coffee? Studies Find a Link %u2013 Health Essentials from Cleveland Clinic. It is now clear that the science shows that coffee drinkers; especially, black coffee, live longer, get less cancer, and are healthier than those who don't. The studies confirm what previous studies have found and it doesn't appear to matter whether the coffee is decaffeinated. This is serious stuff, and there is obviously something going on here. So, have that coffee, and live long and prosper.
"Previous research also has connected coffee consumption with a decreased risk for developing Parkinson’s and Alzheimer’s diseases as well as improved control of type 2 diabetes.“Those people lived longer and had decreased immune dysfunction, decreased cancer rates, decreased cardiovascular disease rates, decreased liver dysfunction and decreased immune dysfunction".